Home / 22,381.32-30,887.74-14,814.62

Finding the Fourth Proportional to 22,381.32, 30,887.74 and 14,814.62

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Solution

The fourth proportional to 22,381.32, 30,887.74 and 14,814.62 is: 20,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,381.32 : 30,887.74 = 14,814.62 : x
  2. Step 2: Convert to fraction form
    22,381.32/30,887.74 = 14,814.62/x
  3. Step 3: Cross multiply
    22,381.32x = 30,887.74 × 14,814.62
  4. Step 4: Simplify right side
    22,381.32x = 457,590,130.76
  5. Step 5: Solve for x
    x = 457,590,130.76/22,381.32
  6. Step 6: Final answer
    x = 20,445.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.